html,body{
	overflow-x: hidden;
	width: 100%; 
} 
.centent .centent-top{
	width: 100%;
}
.centent .centent-center{
	width: 100%;
}
.centent .centent-warp{
	width: 87%;
}
.centent .centent-top .video{
	width: 95%;
	height: 95%;
}
.centent .centent-top .top-video{
	height: 100%;
}
.centent .centent-top .top-warp{
	height: 270px;
}